2013/07/31

2013/07/27

SO LONG YOUR HIGHNESS

SO LONG YOUR HIGHNESS

The checkmate on a long diagonal is literally (and geometrically!) the longest checkmate that can occur on a chess board. Just Imagine playing Qh1+ and mating the black king on a8! Unfortunately this...

2013/07/25

2013/07/24

DISAPPEARING ACTS

DISAPPEARING ACTS

In a game played in 2006 between two moderately rated British players, following position was reached after black’s 14th move. RUDD-ROBERTSON 2006WHITE TO MOVE 15.  e5 White played this...

2013/07/23

THE ART OF (UN)CASTLING

THE ART OF (UN)CASTLING

All of us know about ‘Castling’. But have you ever heard about ‘Uncastling’? Well now you have.   A delightful little chess problem composed by Gerald F. Anderson in 1917 demonstrates the uses...

2013/07/18

CHANGING THE RULES

CHANGING THE RULES

As you may know already, chess problem composers are a clever lot. You can trust them not to miss an opportunity to exploit even the slightest loop hole in the rules book. Over the years, ambiguities...